I use NGK plugs (one range colder than the norm for 351 XA .. cant remember the P/N ATM) ... the gaps.. um... whatever the stock gap is (damn..memory fading!). I use GTX2 at the moment but may check out a synthetic oil soon.. it's safe to say the motor has been run in now......

What do you think about running synthetic? I was reading, I think on the crower cam, or maybe crane, website that they strongly suggest not using synthetics ot semis on older V8s because the benifits of running it are vastly outweighed by the disadvantages. Off the top of my head, I think it was lack of heat capacity and lifter performance decrease ith synthetics - can't remember exactly though.

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